Omicron may raise re-infection risk; booster protection documented

Omicron may raise re-infection risk; booster protection documented The odds of testing positive for the coronavirus were much lower in adults who received a third dose of the vaccine than in people who got their second dose more than five months ago, the data showed. Researchers with Maccabi Health Services reviewed data on PCR tests performed in more than 306,000 adults after the Pfizer/BioNTech booster dose became widely available. https://ift.tt/eA8V8J